®
PAINT/TEXTURE
AIR GUN
Model 02471
ASSEMBLY and OPERATING
INSTRUCTIONS
®
3491 Mission Oaks Blvd., Camarillo, CA 93011
Copyright © 2002 by Harbor Freight Tools®. All rights reserved. No portion of this
manual or any artwork contained herein may be reproduced in any shape or form
without the express written consent of Harbor Freight Tools.
For technical questions and replacement parts, please call 1-800-444-3353
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9. Do not overreach. Keep proper footing and balance at all times. Do not reach over
or across running machines.
10. Maintain tools with care. Keep tools clean for better and safer performance. Follow
instructions for lubricating and changing accessories. Inspect tool cords and hoses
periodically and, if damaged, have them repaired by an authorized technician. The
handles must be kept clean, dry, and free from oil and grease at all times.
11. Disconnect power. When not in use disconnect from compressor.
12. Remove adjusting keys and wrenches. Check that keys and adjusting wrenches
are removed from the tool or machine work surface before plugging it in.
13. Avoid unintentional starting. Do not carry any tool with your finger on the trigger,
whether it is plugged in or not.
14. Stay alert. Watch what you are doing, use common sense. Do not operate any tool
when you are tired.
15. Check for damaged parts. Before using any tool, any part that appears damaged
should be carefully checked to determine that it will operate properly and perform its
intended function. Check for alignment and binding of moving parts; any broken parts
or mounting fixtures; and any other condition that may affect proper operation. Any
part that is damaged should be properly repaired or replaced by a qualified
technician. Do not use the tool if any switch does not turn On and Off properly.
16. Guard against electric shock. Prevent body contact with grounded surfaces such as
pipes, radiators, ranges, and refrigerator enclosures.
17. Replacement parts and accessories. When servicing, use only identical
replacement parts. Use of any other parts will void the warranty.
18. Do not operate tool if under the influence of alcohol or drugs. Read warning
labels on prescriptions to determine if your judgment or reflexes are impaired while
taking drugs. If there is any doubt, do not operate the tool.
19. Use proper size and type extension cord. If an extension cord is required, it must
be of the proper size and type to supply the correct current to the air compressor
without heating up. Otherwise, the extension cord could melt and catch fire, or cause
electrical damage to the air compressor. Check air compressor manual.
20. Maintenance. For your safety, maintenance should be performed regularly by a
qualified technician.
21. Keep aware of air hoses. Be careful not to trip over air hoses while working. Check
air connections periodically.
22. Do not operate Spray Gun near open flames, pilot lights, heaters, or any other
heat source. Make sure you have adequate ventilation. Most solvents and paints
are extremely flammable, especially when sprayed. Never smoke cigarettes in the
same room you are working in.
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23. Read labels on cleaning solvents and paint coatings. Chlorinated solvents such
as 111-Trichloroethane and Methylene Chloride (also known as methyl-chloride) can
chemically react with aluminum and may explode. Many paint sprayers contain
aluminum. Contact solvent manufacturer or paint supplier if your are in doubt.
24. Paints and solvents may be harmful or fatal if swallowed or inhaled. Always use a
respirator that is appropriate for type of paint/solvent being used when spraying. Avoid
prolonged skin contact with solvents or paints as they will irritate skin. After contact,
immediately wash off exposed area with hot, soapy water.
25. Check all Spray Gun Seals and Air Connection. Before use, make sure the
Cup (#17) is fully tightened to the Body (#3). Make sure the air hose is securely
fastened to the Air Inlet (#13).
26. Read and understand all warnings and instructions provided in the instruction manual
of the air compressor being used.
27. Never point Paint/Texture Air Gun at people or animals.
Note: Performance of the compressor (if powered by line voltage) may vary depending
on variations in local line voltage. Extension cord usage may also affect tool performance.
Warning:The warnings, cautions, and instructions discussed in this instruction manual
cannot cover all possible conditions and situations that may occur.It must be understood
by the operator that common sense and caution are factors which cannot be built into
this product, but must be supplied by the operator. Additionally, read all of the warnings
and instructions provided in the instruction manual of the air compressor you will be
using.
WARNING: This product contains or, when used, produces a chemical known to the
State of California to cause cancer and birth defects or other reproductive harm.
(California Health & Safety Code 25249.5, et seq.)
Unpacking
When unpacking, check to make sure the parts listed on page 8 are included. If any parts
are missing or broken, please call Harbor Freight Tools at the number on the cover of this
manual as soon as possible.
SKU 02471
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Assembly
Refer to Assembly Drawing on page 9.
1. To attach the Cup (#17), use the Clamp (#18) to connect it to the Body (#3).
Operation
Warning! Never allow the Spray Gun and Cup (#17) to lay on it’s side when the Cup (#17) is
full of material.
1
Air
Spray
Gun
Air
Dryer
Compressor
For best service, you should incorporate an air dryer, a regulator, and an inline air filter, as
shown above. We recommend an air dryer to send moisture-free air to the Spray Gun. All are
available at Harbor Freight Tools.
1. You will need to prepare a 1/4” air connector (sold separately) to connect to the Air
Inlet (#13). First, wrap the 1/4” air connector (not included) with pipe thread seal tape before
connecting to a Air Source Hose (not included).
2. Attach air hose to the Air Inlet (#13) on the Spray Gun.
3. Set the air pressure on your compressor to 50-70 PSI. Do not exceed the recommended air
pressure of 70 PSI.
4. Check the air connection for leaks.
5. Turn off the compressor and disconnect the air source hose in preparation to load material.
Note: It is recommended that you test the Spray Gun on scrap material, to become familiar
with the available adjustments, prior to use.
1. Remove the Cup (#17) by loosening the Clamp (#18). Place the flat end of the cup down on
a flat surface. Using a funnel (not included) add no more than 1.45 Gallons of material through
the small opening of the Cup (#17). Insert the opening on the top of the Body (#3) down into
the open end of the Cup. Secure the Body (#3) and Cup (#17) together using Clamp (#18).
2. Connect the air hose to the Air Inlet (#13) and set the pressure to 50-70 PSI. Do not exceed
70 PSI.
3. Squeeze the Trigger (#14) to test the pattern.
4. Spray from a distance of approximately four to eight inches while keeping the Spray Gun
perpendicular to the ground.
5. Maintain your distance as you evenly move from side to side. Do not fan or arc the Spray
Gun or the paint will apply unevenly.
6. When you finish spraying, release the Trigger (#14), and disconnect the air hose.
7. Empty the Cup (#17). Never store the Cup (#17) with paint in it.
Warning! Even after the compressor is shut down, the Cup (#17) may still be pressurized.
Open it slowly and carefully.
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Adjustments
1. You can regulate the fluid flow with the Regulator Guide (#8). Slowly turn it to fine tune the
air pressure to meet your needs. You may also adjust the pressure with the air compressor.
Make sure you do not exceed the recommended 70 PSI.
2. You can change Nozzles (#2a, #2b, #2c) for different shaped sprays. First, disconnect
from the air source. Next, unscrew the Retaining Ring (#1). Unscrew the nozzle that is on
the unit and screw on the one you want to use. Screw on the Retaining Ring (#1).
It is recommended that you test all three nozzles by spraying on scrap material, to see the
spray patterns before using them.
TroubleShooting
Problem 1: Heavy top/bottom, or right/left pattern.
Cause:
Material buildup on Nozzles (#2a, #2b, #2c).
Partially plugged Nozzles (#2a, #2b, #2c) center holes.
Remove Nozzles (#2a, #2b, #2c), soak in solvent, and wipe clean.
Material partially plugging Tip of Gun.
Solution:
Cause:
Solution:
Cause:
Remove Nozzles (#2a, #2b, #2c) and clean.
Damaged Needle Shaft (#9).
Solution:
Have a qualified technician replace the Needle Shaft (#9)
Problem 2: Heavy Center Pattern
Cause:
Too much paint.
Solution:
Cause:
Reduce fluid flow with the Regulator Guide (#8).
Coating too thick.
Solution:
Thin out coating.
Problem 3: Split spray pattern.
Cause:
Pressure too high.
Solution:
Cause:
Reduce air pressure at the regulator.
Not enough paint.
Solution:
Increase fluid flow with the Regulator Guide (#8).
Problem 4: Jerky or fluttering spray.
Cause:
Insufficient paint.
Solution:
Cause:
Solution:
Fill Cup (#17).
Gun and Cup (#17) tipped at excessive angle.
Correct angle.
Problem 5: Air mixes with paint.
Cause:
Worn Assembly Set (#11).
Solution:
Have a qualified technician replace the Assembly Set (#11)
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Maintenance
Cleaning (Gun should be attached to compressor to complete the cleaning process.)
Warning!! Do not use paint strippers on this unit as they will damage the aluminum. Never
allow the unit to lay on it’s side while paint is in the Cup (#17).
1. Empty paint from Cup (#17) and add small amount of clean solvent. Replace Cup (#17)
and shake vigorously. At the lowest possible pressure, spray out the solvent into a waste
bucket (make sure you are wearing respirator and eye protection).
2. Empty Cup (#17) of remaining solvent and repeat the process until the Cup (#17) appears
clean and free of the paint.
3. Disconnect air supply. Remove surplus solvent and wipe the Cup (#17) clean with a lint
free cloth.
Note: The Cup (#17) may be fully immersed in solvent for no more than 24 hours if needed.
4. Loosen the Regulator Guide (#8) to expose the right side of the Needle Shaft (#9). Use
the toothbrush to clean the Needle Shaft (#9) with solvent. Replace and tighten the
Regulator Guide (#8) and the Needle Shaft (#9). Do not force any parts or they will break.
Wipe the entire Body (#3) clean with a lint free cloth.
Note: Always dispose of paints and solvents properly. Consult the local hazardous
waste authority for proper disposal procedures and sites.
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Page 7
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Parts List
Part No.
1
2a
2b
2c
3
4
5
6
7
Description
Qty.
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
Retaining Ring
Nozzle (.177”)
Nozzle (.236”)
Nozzle (.314”)
Body
0-ring
Fitting
0-ring
0-ring
Regulator Guide
O-ring
Needle Shaft
0-ring
Assembly Set
O-ring
Clip Ring
Air Inlet
Trigger
Pin
E-ring
Cup
8
8a
9
10
11
11a
12
13
14
15
16
17
18
Clamp
PLEASE READTHE FOLLOWING CAREFULLY
THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDEDTHE PARTS DIAGRAM INTHIS
MANUAL AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER NOR DISTRIBU-
TOR MAKES ANY REPRESENTATION ORWARRANTY OF ANY KINDTOTHE BUYERTHAT HE
OR SHE IS QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT OR THAT HE OR SHE IS
QUALIFIED TO REPLACE ANY PARTS OF THE PRODUCT. IN FACT, THE MANUFACTURER
AND/OR DISTRIBUTOR EXPRESSLY STATESTHAT ALL REPAIRS AND PARTS REPLACEMENTS
SHOULD BE UNDERTAKEN BY CERTIFIED AND LICENSED TECHNICIANS AND NOT BY THE
BUYER. THE BUYER ASSUMES ALL RISK AND LIABILITY ARISING OUT OF HIS OR HER
REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO, OR ARISING
OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO.
NOTE: Some parts are listed and shown for illustration purposes only and are not available
individually as replacement parts.
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Assembly Drawing
SKU 02471
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